एपीए उद्धरण

Petrova-Koch, V., Hezel, R., & Goetzberger, A. (2020). High-Efficient Low-Cost Photovoltaics. Springer International Publishing.

शिकागो स्टाइल उद्धरण

Petrova-Koch, Vesselinka, Rudolf Hezel, और Adolf Goetzberger. High-Efficient Low-Cost Photovoltaics. Springer International Publishing, 2020.

एमएलए उद्धरण

Petrova-Koch, Vesselinka, Rudolf Hezel, और Adolf Goetzberger. High-Efficient Low-Cost Photovoltaics. Springer International Publishing, 2020.